Sentences with phrase «impact on the biomass»

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(263) Biodegradable is defined in the standard as «capable of microbial decomposition within 24 months in soil (with the exception of plant biomass), one month in aerated water, two months in anaerobic water, with minimal impact on the environment» (see 3.10 in CAN / CGSB -32.310).

Overall, the study shows that forest biomass and tree species composition and their combined impact on carbon storage are affected by climatic variability on a sensitive and short timeline — just a few decades.

It will also depend on the success of competing emission - free technologies — solar, wind, biomass, and fuel cell energy, among others — that promise less environmental impact.

Jacobson's research, detailed in a paper published July 30 in the Journal of Geophysical Research: Atmospheres, is based on a three - dimensional computer model simulation of the impacts of biomass burning.

«The environmental impact of prescribed burns has historically been based on data from clean fuels in areas of good air quality, so we have likely been under - predicting the impact of biomass emissions in polluted areas,» Asa - Awuku said.

In sodium - poor soil, a University of Oklahoma ecologist has found, small amounts of added salt boost invertebrate biomass and increase decomposition — so much so, his latest work suggests, that a lack of salt could have a major impact on the global carbon cycle.

In the household energy and food and agriculture sectors, the proposal with the biggest impact on both climate change and public health was a 10 - year programme in India to replace 150 million indoor biomass - burning stoves with low - emissions cooking stoves, according to lead author Paul Wilkinson, also at the London School of Hygiene and Tropical Medicine.

The results so far show only a correlation between fires and water cycle indicators, but the data gathered from the study is allowing scientists to improve climate models to be able to establish a more direct relationship between biomass burning and its impacts on drought.

``... since we knew that the impact of the study could be high when successful, we decided to invest our time and effort on this new research project at the interface of biomass conversion and solar energy conversion.»

Jacobson's research, out this week in the Journal of Geophysical Research: Atmospheres, is based on 3 - D computer model simulations of the impacts of biomass burning.

Impacts of Canopy Position and Nitrogen on Nitrogen Allocation and Photosynthesis of Switchgrass (Panicum virgatum), Dan Wang, Mathew Maughan, Jindong Sun, Xiaohui Feng, Fernando Miguez, D.K. Lee, Michael Dietze, Aspects of Applied Biology 112, Biomass and Energy Crops IV Conference, pp. 341 - 351, September 2011.

Miscanthus Biomass Productivity Within U.S. Croplands and its Potential Impact on Soil Organic Carbon, Umakant Mishra, Margaret Torn, Kevin Fingerman, Global Change Biology - Bioenergy, doi: 10.1111j.1757-1707.2012.01201.x, August 10, 2012.

Effects of harvest and climate change on polar marine ecosystems: case studies from the Antarctic Peninsula and Hudson Bay C Hoover — 2012 — circle.ubc.ca... Future simulations of the Antarctic Peninsula identify large reductions in ecosystem biomass of all species due changes in environmental conditions and an overall reduction in krill, with minimal ecosystem impacts from harvest.

Many indigenous territories have tremendous wind, solar, biomass and geothermal resources, and there are varying opinions as to whether energy - related climate change mitigation activities are having a positive or negative impact on local and indigenous communities.

Impacts of increased adoption of biomass from 2020 - 2050 were generated based on three growth scenarios, derived from the evaluation of scenarios from two global systems models.

Tax approximate CO2 emissions from final combustion of biofuels and biomass based strictly on product type without attempting to account for carbon sequestered during growth cycles or emitted during harvesting, distillation or other chemical processing or land - use impacts.

The study finds that the greenhouse gas impacts on the atmosphere of using woody biomass will be a function of the lifecycle of the biomass being used, the biomass energy technology and the fossil fuel technology it replaces, and the way landowners choose to manage their forests.

1 Executive Summary 2 Scope of the Report 3 The Case for Hydrogen 3.1 The Drive for Clean Energy 3.2 The Uniqueness of Hydrogen 3.3 Hydrogen's Safety Record 4 Hydrogen Fuel Cells 4.1 Proton Exchange Membrane Fuel Cell 4.2 Fuel Cells and Batteries 4.3 Fuel Cell Systems Durability 4.4 Fuel Cell Vehicles 5 Hydrogen Fueling Infrastructure 5.1 Hydrogen Station Hardware 5.2 Hydrogen Compression and Storage 5.3 Hydrogen Fueling 5.4 Hydrogen Station Capacity 6 Hydrogen Fueling Station Types 6.1 Retail vs. Non-Retail Stations 6.1.1 Retail Hydrogen Stations 6.1.2 Non-Retail Hydrogen Stations 6.2 Mobile Hydrogen Stations 6.2.1 Honda's Smart Hydrogen Station 6.2.2 Nel Hydrogen's RotoLyzer 6.2.3 Others 7 Hydrogen Fueling Protocols 7.1 SAE J2601 7.2 Related Standards 7.3 Fueling Protocols vs. Vehicle Charging 7.4 SAE J2601 vs. SAE J1772 7.5 Ionic Compression 8 Hydrogen Station Rollout Strategy 8.1 Traditional Approaches 8.2 Current Approach 8.3 Factors Impacting Rollouts 8.4 Production and Distribution Scenarios 8.5 Reliability Issues 9 Sources of Hydrogen 9.1 Fossil Fuels 9.2 Renewable Sources 10 Methods of Hydrogen Production 10.1 Production from Non-Renewable Sources 10.1.1 Steam Reforming of Natural Gas 10.1.2 Coal Gasification 10.2 Production from Renewable Sources 10.2.1 Electrolysis 10.2.2 Biomass Gasification 11 Hydrogen Production Scenarios 11.1 Centralized Hydrogen Production 11.2 On - Site Hydrogen Production 11.2.1 On - site Electrolysis 11.2.2 On - Site Steam Methane Reforming 12 Hydrogen Delivery 12.1 Hydrogen Tube Trailers 12.2 Tanker Trucks 12.3 Pipeline Delivery 12.4 Railcars and Barges 13 Hydrogen Stations Cost Factors 13.1 Capital Expenditures 13.2 Operating Expenditures 14 Hydrogen Station Deployments 14.1 Asia - Pacific 14.1.1 Japan 14.1.2 Korea 14.1.3 China 14.1.4 Rest of Asia - Pacific 14.2 Europe, Middle East & Africa (EMEA) 14.2.1 Germany 14.2.2 The U.K. 14.2.3 Nordic Region 14.2.4 Rest of EMEA 14.3 Americas 14.3.1 U.S. West Coast 14.3.2 U.S. East Coast 14.3.3 Canada 14.3.4 Latin America 15 Selected Vendors 15.1 Air Liquide 15.2 Air Products and Chemicals, Inc. 15.3 Ballard Power Systems 15.4 FirstElement Fuel Inc. 15.5 FuelCell Energy, Inc. 15.6 Hydrogenics Corporation 15.7 The Linde Group 15.8 Nel Hydrogen 15.9 Nuvera Fuel Cells 15.10 Praxair 15.11 Proton OnSite / SunHydro 15.11.1 Proton Onsite 15.11.2 SunHydro 16 Market Forecasts 16.1 Overview 16.2 Global Hydrogen Station Market 16.2.1 Hydrogen Station Deployments 16.2.2 Hydrogen Stations Capacity 16.2.3 Hydrogen Station Costs 16.3 Asia - Pacific Hydrogen Station Market 16.3.1 Hydrogen Station Deployments 16.3.2 Hydrogen Stations Capacity 16.3.3 Hydrogen Station Costs 16.4 Europe, Middle East and Africa 16.4.1 Hydrogen Station Deployments 16.4.2 Hydrogen Station Capacity 16.4.3 Hydrogen Station Costs 16.5 Americas 16.5.1 Hydrogen Station Deployments 16.5.2 Hydrogen Station Capacity 16.5.3 Hydrogen Station Costs 17 Conclusions 17.1 Hydrogen as a Fuel 17.2 Rollout of Fuel Cell Vehicles 17.3 Hydrogen Station Deployments 17.4 Funding Requirements 17.5 Customer Experience 17.6 Other Findings

Sterman says, «A molecule of CO2 emitted today has the same impact on the climate whether it comes from coal or biomass.

A Recently developed network of old - growth sites, including many eastern US tree species, has provided researchers with new insights on forest growth, stand age structure, natural senescence, biomass production, and the mitigating impacts of climate change.

They concluded that increased demand for wood energy in industrialized countries will have a significant impact on the amount of available excess forest biomass, taking between 10 and

A five - year investigation, ORACLES is examining the impact aerosols from biomass burning in southern Africa has on climate as it mixes with clouds over the southeast Atlantic Ocean.

Impacts of increased adoption of perennial biomass from 2020 - 2050 were generated based on three growth scenarios, which were assessed in comparison to a Reference Scenario where the solution's market share was fixed at the current levels.

The Royal Society's recent review of Geoengineering commented: «It remains questionable whether pyrolysing the biomass and burying the char has a greater impact on atmospheric greenhouse gas levels than simply burning the biomass in a power plant and displacing carbon - intensive coal plants.»

Booth says there is wide agreement in the industry that when biomass comes from forestry residues, wood products manufacturing, or agriculture, the net carbon impact is the difference between emissions from the use of the material as fuel and emissions from some other fate, such as leaving it on the ground to decompose.

The report identified a large range in possible amounts of biomass that could be counted on for bio-energy without impacting food or water supplies.

Unger's model finds that in 2020 (left), transportation, household biofuels and animal husbandry will have the greatest warming impact on the climate, while the shipping, biomass burning, and industrial sectors will have a cooling impact.

Worrying, the scientists note that remaining unprotected forests harbor still higher levels of biomass — an average 231 metric tons per hectare — suggesting that future clearing will have an increasingly significant impact on climate.

Self generation with small scale hydro, wind, solar, ground source, biomass makes infinitely more sense on both the impact on the planet from massive unnecessary infrastructure, and on more sustainable living.